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Step-4

Title: Sum of two expressions

Grade: 6-a Lesson: S3-L5

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Find the sum	(4 x - 3 y) + (-4 x + 9 y)
2	Formula:	After eleminating the brackets we get	4 x - 3 y - 4 x + 9 y
3	Step	Grouping like terms together	(4 x - 4 x) + (-3 y + 9 y)
4	Step	After adding we get	0 + 6y
5		Answer	C

Step

Type

Explanation

Answer

Problem

Find the sum

(4 x - 3 y) + (-4 x + 9 y)

Formula:

After eleminating the brackets we get

4 x - 3 y - 4 x + 9 y

Step

Grouping like terms together

(4 x - 4 x) + (-3 y + 9 y)

Step

After adding we get

0 + 6y

Answer